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D322 IT Practice Test 100% Solved
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D322 IT Practice Test 100% Solved
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D322 IT Practice Test 100% SolvedFROM - Answer -The _______ keyword in SQL is used to inform the DBMS what fields
or attributes are of interest (and where they are located, i.e. which table/relation they
can be found in).
System Software - Answer -Which software is run automatically rather than by the end
user
Expansion slots allow additional cards to be connected to the motherboard that
interface with peripheral devices - Answer -Which of the following best describes the
purpose of expansion slots in modern computers?
STAR network - Answer -In this network topology ALL devices have a single point-to-
point connection with a central device.
Device driver - Answer -________, sometimes referred to as middleware, facilitate the
communication of hardware and software.
A Platform as a Service is the ability to quickly and consistently develop and deliver
applications. - Answer -What is the definition of a Platform as a Service (PaaS)?
Computer software is developed by writing a program using programming language
whereas computer hardware is the physical components such as memory modules and
disk drives. - Answer -Select the statement that best describes the difference between
software and hardware.
Third generation - Answer -During which generation did computers begin to see
widespread use in business?
IaaS (Infrastructure as a Service) - Answer -With ________ an IT department resources
(i.e. servers, data storage) are located outside of the organization and are accessible by
anyone, anywhere.
Data are modeled using parent-child relationships. - Answer -Which of the following
best describes a hierarchical database format?
, Business continuity plan - Answer -A company's ability to recover after a disaster is
directly related to which of the following?
Cost-effective if time is constrained - Answer -What is an advantage of outsourcing?
RAM - Answer -Which is found on the motherboard and stores information, but the
information is not permanent?
CPU - Answer -Which of the four main components of a computer is described by this
statement: This component executes all of the arithmetic and logic operations and is
responsible for controlling (commanding) all of the components in the computer.
An information system does not have to use computer hardware; whereas information
technology requires the use of hardware and software. - Answer -Which of the following
statements best describes the difference between information systems and information
technology?
Optical wire - Answer -__________ uses the concept of reflection of light through a core
made up of glass or plastic.
Hierarchal - Answer -This database structure format organizes data using a tree-like or
organizational chart type structure (i.e. parent-child structure).
Update , Delete , Insert - Answer -Which of the following are operations used to alter the
data within a relation of a database?
Knowledge - Answer -As a new sales manager, Edgar is studying the historical and
current sales report numbers to determine the top three salespersons of the year. At
which stage of the DIKW hierarchy is Edgar working?
Hierarchical , Flat File, Relational - Answer -Which of the following are the three main
categories of databases?
A local area network (LAN) - Answer -Allows hardware sharing within one office
Initiation, Planning, Executing, Closing - Answer -What is the correct order of project
phase for Project Management?
Data mirroring - Answer -An operating system will write and change data to multiple
hard drives at the same time so that if something happens to one hard drive, another
hard drive is available to speed up data recovery. This statement best describes which
of the following?
eMail server - Answer -This server addresses protocols such as: IMAP, POP3, SMTP,
HTTP, MAPI, and MIME?
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